１. 首先确定linux系统中有无安装rar 工具。
已安装执行２．１
安装rar工具步骤如下：
１．１ Dowload rar linux版本：
下载地址：
eg:
cd /home/tools
wget
1.2 安装rar
cd /home/tools
tar zxvf rarlinux-5.5.0.tar.gz
cd rrar
sudo make
sudo make install
2. rar 解压／压缩命令语法
2.1 rar解压 .rar 文件。
rar x file.rar
２．２ rar 压缩文件
rar a file.rar ./file/
３．rar 查看帮助.
$ rar help
RAR 5.50 Copyright (c) 1993-2017 Alexander Roshal 11 Aug 2017
Trial version Type 'rar -?' for help
Usage: rar - -
<@listfiles...>
a Add files to archive
c Add archive comment
ch Change archive parameters
cw Write archive comment to file
d Delete files from archive
e Extract files without archived paths
f Freshen files in archive
i[par]= Find string in archives
k Lock archive
l[t[a],b] List archive contents [technical[all], bare]
m[f] Move to archive [files only]
p Print file to stdout
r Repair archive
rc Reconstruct missing volumes
rn Rename archived files
rr[N] Add data recovery record
rv[N] Create recovery volumes
s[name|-] Convert archive to or from SFX
t Test archive files
u Update files in archive
v[t[a],b] Verbosely list archive contents [technical[all],bare]
x Extract files with full path
- Stop switches scanning
@[+] Disable [enable] file lists
ad Append archive name to destination path
ag[format] Generate archive name using the current date
ai Ignore file attributes
ap Set path inside archive
as Synchronize archive contents
c- Disable comments show
cfg- Disable read configuration
cl Convert names to lower case
cu Convert names to upper case
df Delete files after archiving
dh Open shared files
ds Disable name sort for solid archive
dw Wipe files after archiving
e[+] Set file exclude and include attributes
ed Do not add empty directories
en Do not put 'end of archive' block
ep Exclude paths from names
ep1 Exclude base directory from names
ep3 Expand paths to full including the drive letter
f Freshen files
hp[password] Encrypt both file data and headers
ht[b|c] Select hash type [BLAKE2,CRC32] for file checksum
id[c,d,p,q] Disable messages
ierr Send all messages to stderr
ilog[name] Log errors to file (registered versions only)
inul Disable all messages
isnd Enable sound
iver Display the version number
k Lock archive
kb Keep broken extracted files
log[f][=name] Write names to log file
m<0..5> Set compression level (0-store...3-default...5-maximal)
ma[4|5] Specify a version of archiving format
mc Set advanced compression parameters
md[k,m,g] Dictionary size in KB, MB or GB
ms[ext;ext] Specify file types to store
mt Set the number of threads
n Additionally filter included files
n@ Read additional filter masks from stdin
n@ Read additional filter masks from list file
o[+|-] Set the overwrite mode
oh Save hard links as the link instead of the file
oi[0-4][:min] Save identical files as references
ol[a] Process symbolic links as the link [absolute paths]
or Rename files automatically
ow Save or restore file owner and group
p[password] Set password
p- Do not query password
qo[-|+] Add quick open information [none|force]
r Recurse subdirectories
r- Disable recursion
r0 Recurse subdirectories for wildcard names only
rr[N] Add data recovery record
rv[N] Create recovery volumes
s[,v[-],e] Create solid archive
s- Disable solid archiving
sc[obj] Specify the character set
sfx[name] Create SFX archive
si[name] Read data from standard input (stdin)
sl Process files with size less than specified
sm Process files with size more than specified
t Test files after archiving
ta Process files modified after in YYYYMMDDHHMMSS format
tb Process files modified before in YYYYMMDDHHMMSS format
tk Keep original archive time
tl Set archive time to latest file
tn
